Ice-cutting machine.



ST. GLAR GUTHRIE, Jn. 10B GUTHNG MAGHLNE. APPLICATION FILED JAN. 6,1910A Patented J an. 9,`1912.

2 SHEETS-SHEET 1.

IZ/177( @was ,fluye/afar .5t Ymjff Gut/Win27:

ST. CLAIR- GUTHRIB, .PU ICE CUTTING MACHINE. 'YAPPLNATION H'LEDJAN.6,110.

Patented J an. 9, 1912.

1,014,593. 2 SHEETS-SHEET 2.

STATE-s 'snctnin cumulus, Jn., QE'BLUE l.

Ien-CUTTING izrnennqiu.y

y-andl State-of Kansas, have invented certain,

fg new and useful Improvements inlce-Qutting-Machines, 'lef which thefollowing-lea speciiilcatin.4

that typezembodying a 'support for. traveling upon the ice, a rotarysawwhich can'be .ad-'- justedverticall'y for .engagement wlth or yWithdrawal fromA the-ice on which .the sup-A flport travels, an. enginemovable with the I i. supportfor revolving-fthe-saw, and idesA for`engagement with kerfs produced inthe f' ice-bythe' saw to compel thelatter-to make subsequent kerfs parallel Wlth the irst i' V 2,0- foneand .equal distances apart, and my ob ject is to produce a machineof'this character which will operate efficiently andre- I .f liably andcan be handled and controlled by ajsi'ngle attendant. f--A furtherobjectis to` produce a machine y of this character of simple, strong,durable,-

compact andinexpensive construction.- -With these general objects invlew and l j Y others` as vherelnafter appear, the invention-''Boconsists incertain novel and peculiar features-bf construction andorganization as hereinafter described and claimed; and in order that itmay be fullyI understood reference isto be had tothe accompanying draw--finssinwhich; .l .j vFigngyure l, isa top plan view-of anice cut-`-ting `machine embodying my` invention. Fig.j2, is a side View of thesame.l -Fig.'3, is'a front view 'of the same-and also shows a 10 crosssection of a eld of ice. Fig. 4, isa

vertical longitudinal -sectionbetween the saw and the near runner,the'engine being omitted. -Fig. 5, is a cross section ontheline V-V- ofF ig. 4. Fig. 6,--p-is a detail view ,45 showing the adjacent ends .ofthe lever-con' trolled` rock shafts, the rcrank-arms thereon and thesleeve forming a journal for lthe inner ends ofsaidshafts.' f -4 vIn thesaidrlrawings,v a sled consists of a 5 0 pair of runners 1,.connected bya plurality ofcrossbars 2.'-

- .i.: 3a pivot rod Whichnextends through. one of the cross barstlimughathesrunnersallgesled isipnavieed 5 5 nihianaltQt-handsleaagothelplowahaaula f tyre, .maneggi 'nearethn fuppemendaby;as

-specin'cation of :mersraam.4 y Application led January 6, 1910;

This invention relates to,ice cutting ma -10 chilies, and moreespecially to-machmes of by prefereneeg and-v j ratenteaaan. 9,1912.serial nalsaa'zac.

l crossfbar-, equipped with 4sc actors: 6. The

rear'cross bai` of the sled is also equipped '-vvi'th a sector 7,-. uponwhich an angle' lever 8 is ulcrumed,' said leverfg-having a latch 50`mecgianisnri 9,for.engageraents' -'th thegsector pon the platform a;consists of a pairpf side-.bars t 11 connected :at their rear ends`behind the sled,`by a cross "bar 12, and 'attheir front ends; forwardofv vthe sled by a transverse shaft 13.-- f'1hey are also connectedabove the sled by cross bars 14, .-for a'purpse which hereinafterappears; 70

15 is a'link pivotally connecting cross bar 12 with the alngle lever 8,so that when said `lever. is lswung forwardly or rearwardly itwilldepress or:elevate the front end ofthe tilting platform, the latterrocking upon pivotrod3.`

`1b is. a circular saw mounted upon shaft- -l3, midway its length, and`1( a, shield or guard mounted upon said sha-ft 1 3 and en-l veloping,the upper portion of the saw, the said 'shield or guard having arearwardly projecting portion 18 mounted upon a trans-l verse rock shaft19, journaled in bearings 20, secured to Athe upper edges ofthe sidebars, 11 ofthe tilting platform, collars`21 mounted on said rock shaftat opposite sides of the lshield or guard holdi the latter in properrelation to the saw. n

2 2 isa gas' engine or equivalent mgtor, .secured-upon the cross'barsV14 ofthetilting 90 plat-form, the engine being so-.disfmsed withreference to the pivot rodv 3, thafitprac'- ticallybalances Athe saw,thus enabling theoperator torockthe tiltingplatform with but littleexertion. jv

23'ndicates thev belt pulley of the\-engine .connecte'd\by a belt 2 4 toa pulley, 25 'on the shaft 13. Securedv rigidly on' the opposite ends ofshaft 19' isa pair of T couplings-26, 'and extending slidingly th-roughAthe same 100 are guides27, having -their l ower ends vflattened`at 28,so as to `be-'capable' of slidingin the kerfs produced by the saw intheli'eld 'of Aice,-.and-to guard -a ainst turning'movement of the-guides,the latter are equippedwith angle rods 29, Whichetend inwardly from apoint ia suitabley distance belowthe plane of the? T-couplings andthence upivardly i and: l slidingl-y;throughl '1 Ythe-"freck j shafts,assflaown'fclearlyin:Figllw-B fthis tarnamgementtthei Tilesnaayudieslidl-'verti-i 35 .s ment w1th sectors 45 upward throughcouplings when the guldes are at their lowest,

, points of adjustment.

31 is a pair of alined rock-shafts arranged transversely at suitablepoints in bearings 32 secured to at their inner orabutting ends in alsleeveplings by'set screws field. The guides bearing 32B. The shaftsare provided at their outer ends beyond the sides of the tilt-lingplatform with T-couplings 33, in .which are adjustably secured guides34 having their lower ends 'flattened as at, for. engagement with kerfs,produced iny the ice by the saw, it being noticed thatthe fiattened endsof the guides 34 lare'in longitudinal 'alinement with the guides 27,fthe guides 34 being the desired'pointof adjustment in the cou- 36.vEach rock-shaft 31 is proyided near its inner end with a crankarm 37'connected'by a link 38 with a hand lever 39mounted on cross bar 5, andprovidedwith a latch mechanism'40 for engagement with its respectivesector 6.

Preliminary tov field ofice, a substantially straightline 1s drawnupon'the ice for the full length of the .34.are then swungl upwardthrough 'the instrumentality j of levers 39,to a point above suchelevated or inoperative position. The

y engine' is then started j and the.` platform tilted by themanipulation of lever gradually 8 until the saw 1s, lreriing the ice, asit is' not desired to entirely separate vthe cakes until they reach 'thepoint where they are to -v be removed from the watenandiuthus adjustingtheplatform the guides 27 are caused'by engagement with the ice to slidecouplings 26,- .so as to offer no resistance to thetilting operation andto be capable of dragging freely along upon -the surface of the ice. Theoperator next grasps handlesv- 4 and draws the ma` chine backward sothat the saw shall pro# [duce a kerf in the ic'e along the linemarkedout and when the opposite end of the 'field is reached, he retilts theyplatform to raise the sawsout of'the ice. He then turns the machinehalf around so that itsv rear 4end shall point toward the which he startd and so disposes it thatone of the guides -2'7 is free to' dropdownward until its iattened end entersjthekerf made by the saw.- Afterthe platform is tilted as before to cause the saw to cut intothe ice tothe required. depth and produce a second kerf, the operation of the'proper lever 39 is reversed toswing the said guide 34 down'F which j thefirst.

the handles'4, and jou'rnaled adapted to be secured at- -1 describedv sothat eventually the operation oflcutting al -kerfs and in the mannerthis is done swages Kparent that I have side of the field froml"Wardandlrearward until its flattened end enters thekerf so that the two,guides 27 -and 34"tra'veling in kerf maintain the saw 1n parallelrelation is 'drawn across the field a second time, so

.that the -second lkerf shallbedparallel with f the field is- When theside o reached from which the start was made, he relevates the guide 34and secures itin its elevated portion, retilts the' platform tolwithdraw the saw and' guide 27 from the `ice, and turns the machinearound 'as' before.

The machine is then disposed'at the opposite side of the second kerffrom the rst kerf so that the originally inoperativev guide 27 mayAenter the second kerf. He then op? crates the other lever 39 tovswingnectedA 'guide downward and secures to said kerf as the machine theconthe said lever-in its'. new positionby the-'latch mechanism. He thenoperates lever39 to'cause said guide to enter the `second kerf, retiltsthe platform to cause. the saw to cut intothe ice and proceeds asbefore, each'subseque'nt l operation being a repetition the entire fieldof ice 'is provided with parallel 'kerfs spaced equal distance apart.vThe operator starting at' 'one side of the Yfield draws aline on theice at right angles to and intersectin the explained, ",raws the-machineback and forth across .the eld so-as .to produce crosskerfssubstantially at right angles -to 4the originall kerfs. After forparting driven into' certain of the kerfs at different points lso as to.dividethe ield into Boats,

'each containing aflarg'e 'numberv of connected blocks of ice, as theice-i-n this condition canbe floated t'o thede'sired point lwithgreaterconvenience and facility and be more easily controlled 'than a largenumber. of small independent blocks'. f 1n action the saw operates inthe direction .indicated by the adjacent arrow Fig; 2, so that chipsshall be thrown away from the operator and the shield 17 guards againsta person being injured by the` saw in the event of falling-uponthe'machine'when ad'-l jlusting the driving belt o r .the guides or whenotherwise engaged Fromthe above description it will be apmachineIembodying the features tage enumerated as-desirable andI wish it to beunderstood'that I do not desire to be restricted to the exact details ofconstrucabout lthe machine.

of one of those produced an ice cutting ofadvantion shown and describedas obvious modifi.

comprising .a

35 platform may betilted'to lower the saw, a

carried by said rock-shaft and capable of independent endwise slidingmovement and provided with flattened lower ends,jrock shafts suitablysupported .rearward of and above 'the tilting platform, independentlyadjustable guides extending from'the said rocksshafts `and provided'with flattened: lower' ends in the same longitudinal plane as theflattened lend's of the first-named' guides, means for operating s aidrock-shafts, and means for securing said rock shafts againstrotationL fv f 2.` An ice cutting machine, comprising a' support to travel upon theice, a' platform tiltingly mounted `upon the support, a motor and arotarysaw carried by thetilt-ing j platform and lbearing a substantially balanced relation with respect to the pivotal point of theplatform, means connecting the motorandthe rotary saw to drivev theIlatter,.a draft attachment for the machine at the opposite en d of thesame from that occupied' by the saw,`means whereby lthe transverse rockshaft mounted on-the tilt-ingl platform between the saw and motor,guides extending downward from ,and carried'by said rock-shaft andcapable of independent endwise sliding movement and provided withflattened lower ends, rock shafts suitably supported rearward' of andabove the tilting plattform,` independently adjustable guides extendingfrom the said rock-shafts and provided with attened lower ends in thesame longitudinal plane'as the attened l ends of the first-named guides,meansnfor operating said rock-shafts, leverssuitably supported,connections between, the same.4 and the said rock-shafts whereby thelatter may be operated, and means for locking said levers at the desiredpoint ofv adjustment.

3.- An ice cuttin machine, comprisinga sled, a tilting' plat ormmountedupon said sled, a'- rotarys'aw Illdfaf motor mounted upon and 'bearigefbalanced relation to said tilting platform, the saw being at the frontend of said platform, means for transmitting motion from the motor tothesaw, rigid handles projecting upward-fand rearward from the sled, asector bearinga rigid I relation'to the sled, an angle lever ulerumedthe-angle lever with the rear end Vof the' 'tilting platform, a latchmechanism carried- V bythe lever for engagement with' the sector, atransverse rock shaft between the motor 'and the saw and carried by'thetilting platform, guides extendingdownward from and on V(the. sector, alink pivotally v,connecting carried by said rock-shaft andcapable of'4independent endwise sliding movement, and

provided 'withattened lower ends, means lsecured. to said guides andbearing a slid'able .relation .to said rock-shaft to prevent turning orrotary movement of the 7 5 guides, transverse rock above thel tiltingplatform and rearward of the motor and carried by said handles,A guideslslidingly secured to outer ends of said rock` shafts andfdisposed inthesame' longitudinal planes named'guides and provided withliattened lowerends,-mea'ns to establish a rigid relation between 1the second guidesandA said rock-shafts, a crankwarm projecting from each of-saidrock-shafts, levers carried by said handlesv near theirupper ends, linksconnecting said leversgwith said crank arms, and'means to lock sa eversat the desired 4point of adjustment'.- li In testimony wh' re'of v Iaffix my signature, `inthe presence of tvv'oj witnesses.- 1

